BOLT AND NUT

PROBLEM TO BE SOLVED: To provide a bolt and a nut having improved binding strength with a plate-like member.SOLUTION: A bolt according to one embodiment includes: a shaft part on an outer peripheral surface of which a groove extending spirally is formed; and a head part that has one surface and the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FUJISAKI MASASHI, FUJISAKI SUSUMU, OMORI HIROAKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a bolt and a nut having improved binding strength with a plate-like member.SOLUTION: A bolt according to one embodiment includes: a shaft part on an outer peripheral surface of which a groove extending spirally is formed; and a head part that has one surface and the other surface opposite to the one surface, of which the one surface is connected to one end of the shaft part, and that includes a plurality of projections each having a flat upper surface extending along the one surface, connected to the outer peripheral surface of the shaft part and provided with intervals on the one surface.SELECTED DRAWING: Figure 1 【課題】板状部材との結合力を向上させたボルト及びナットを提供する。【解決手段】一実施形態に係るボルトは、螺旋状に延びる溝が外周面において形成された軸部と、一方の面及び該面に対向する他方の面を有し、該一方の面において前記軸部の一端に結合された頭部であって、各々が前記一方の面に沿って延びる平らな上面を有し前記軸部の前記外周面に結合され前記一方の面の上において互いに間隔をおいて設けられた複数の突起、を含む頭部と、を具備する。【選択図】図１